432681 has 8 divisors (see below), whose sum is σ = 580320. Its totient is φ = 286752.

The previous prime is 432661. The next prime is 432713. The reversal of 432681 is 186234.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 432681 - 2¹⁰ = 431657 is a prime.

It is a super-2 number, since 2×432681² = 374425695522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (432631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390 + ... + 1008.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2⁴³²⁶⁸¹ is an apocalyptic number.

It is an amenable number.

432681 is a deficient number, since it is larger than the sum of its proper divisors (147639).

432681 is a wasteful number, since it uses less digits than its factorization.

432681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855.

The product of its digits is 1152, while the sum is 24.

The square root of 432681 is about 657.7849192555. The cubic root of 432681 is about 75.6349646501.

The spelling of 432681 in words is "four hundred thirty-two thousand, six hundred eighty-one".